TW343329B - Magnetic head with magnetoresistive sensor, and scanning device provided with the magnetic head - Google Patents
Magnetic head with magnetoresistive sensor, and scanning device provided with the magnetic headInfo
- Publication number
- TW343329B TW343329B TW086101549A TW86101549A TW343329B TW 343329 B TW343329 B TW 343329B TW 086101549 A TW086101549 A TW 086101549A TW 86101549 A TW86101549 A TW 86101549A TW 343329 B TW343329 B TW 343329B
- Authority
- TW
- Taiwan
- Prior art keywords
- magnetic head
- magnetoresistive sensor
- device provided
- scanning device
- sensor
- Prior art date
Links
- 230000005291 magnetic effect Effects 0.000 title abstract 3
- 230000004907 flux Effects 0.000 abstract 2
- 230000005290 antiferromagnetic effect Effects 0.000 abstract 1
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
- G11B5/127—Structure or manufacture of heads, e.g. inductive
- G11B5/33—Structure or manufacture of flux-sensitive heads, i.e. for reproduction only; Combination of such heads with means for recording or erasing only
- G11B5/39—Structure or manufacture of flux-sensitive heads, i.e. for reproduction only; Combination of such heads with means for recording or erasing only using magneto-resistive devices or effects
- G11B5/3903—Structure or manufacture of flux-sensitive heads, i.e. for reproduction only; Combination of such heads with means for recording or erasing only using magneto-resistive devices or effects using magnetic thin film layers or their effects, the films being part of integrated structures
- G11B5/3906—Details related to the use of magnetic thin film layers or to their effects
- G11B5/3916—Arrangements in which the active read-out elements are coupled to the magnetic flux of the track by at least one magnetic thin film flux guide
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
- G11B5/127—Structure or manufacture of heads, e.g. inductive
- G11B5/33—Structure or manufacture of flux-sensitive heads, i.e. for reproduction only; Combination of such heads with means for recording or erasing only
- G11B5/39—Structure or manufacture of flux-sensitive heads, i.e. for reproduction only; Combination of such heads with means for recording or erasing only using magneto-resistive devices or effects
- G11B5/3903—Structure or manufacture of flux-sensitive heads, i.e. for reproduction only; Combination of such heads with means for recording or erasing only using magneto-resistive devices or effects using magnetic thin film layers or their effects, the films being part of integrated structures
- G11B5/3906—Details related to the use of magnetic thin film layers or to their effects
- G11B5/3916—Arrangements in which the active read-out elements are coupled to the magnetic flux of the track by at least one magnetic thin film flux guide
- G11B5/3919—Arrangements in which the active read-out elements are coupled to the magnetic flux of the track by at least one magnetic thin film flux guide the guide being interposed in the flux path
- G11B5/3922—Arrangements in which the active read-out elements are coupled to the magnetic flux of the track by at least one magnetic thin film flux guide the guide being interposed in the flux path the read-out elements being disposed in magnetic shunt relative to at least two parts of the flux guide structure
- G11B5/3925—Arrangements in which the active read-out elements are coupled to the magnetic flux of the track by at least one magnetic thin film flux guide the guide being interposed in the flux path the read-out elements being disposed in magnetic shunt relative to at least two parts of the flux guide structure the two parts being thin films
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
- G11B5/127—Structure or manufacture of heads, e.g. inductive
- G11B5/33—Structure or manufacture of flux-sensitive heads, i.e. for reproduction only; Combination of such heads with means for recording or erasing only
- G11B5/39—Structure or manufacture of flux-sensitive heads, i.e. for reproduction only; Combination of such heads with means for recording or erasing only using magneto-resistive devices or effects
- G11B5/3903—Structure or manufacture of flux-sensitive heads, i.e. for reproduction only; Combination of such heads with means for recording or erasing only using magneto-resistive devices or effects using magnetic thin film layers or their effects, the films being part of integrated structures
- G11B5/3906—Details related to the use of magnetic thin film layers or to their effects
- G11B5/3929—Disposition of magnetic thin films not used for directly coupling magnetic flux from the track to the MR film or for shielding
- G11B5/3932—Magnetic biasing films
Abstract
A magnetic head having a head face and comprising a multilayer structure with a flux guide, a magnetoresistive sensor and an intermediate layer present between the flux guide and the sensor, which is characterized in that the intermediate layer comprises an anti-ferromagnetic oxide.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP96200214 | 1996-01-31 |
Publications (1)
Publication Number | Publication Date |
---|---|
TW343329B true TW343329B (en) | 1998-10-21 |
Family
ID=8223618
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
TW086101549A TW343329B (en) | 1996-01-31 | 1997-02-12 | Magnetic head with magnetoresistive sensor, and scanning device provided with the magnetic head |
Country Status (7)
Country | Link |
---|---|
US (2) | US5914838A (en) |
EP (1) | EP0818038B1 (en) |
JP (1) | JPH11503553A (en) |
DE (1) | DE69722860T2 (en) |
MY (1) | MY119163A (en) |
TW (1) | TW343329B (en) |
WO (1) | WO1997028528A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9689683B2 (en) | 2015-02-05 | 2017-06-27 | Wei-Tung Chen | Magnetic positioning device |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6340886B1 (en) * | 1997-08-08 | 2002-01-22 | Nonvolatile Electronics, Incorporated | Magnetic field sensor with a plurality of magnetoresistive thin-film layers having an end at a common surface |
US6223420B1 (en) * | 1998-12-04 | 2001-05-01 | International Business Machines Corporation | Method of making a read head with high resistance soft magnetic flux guide layer for enhancing read sensor efficiency |
KR20010043386A (en) * | 1999-03-09 | 2001-05-25 | 요트.게.아. 롤페즈 | Magnetic head having a layer structure |
US6762910B1 (en) * | 1999-06-03 | 2004-07-13 | Western Digital (Fremont), Inc. | Data storage and retrieval apparatus with thin film read head having inset extra gap insulation layer and method of fabrication |
JP2002133615A (en) * | 2000-10-25 | 2002-05-10 | Sony Corp | Magnetoresistive head |
US6680830B2 (en) | 2001-05-31 | 2004-01-20 | International Business Machines Corporation | Tunnel valve sensor and flux guide with improved flux transfer therebetween |
US7057864B2 (en) | 2001-07-10 | 2006-06-06 | Hitachi Global Storage Technologies Netherlands B.V. | Method and apparatus for achieving physical connection between the flux guide and the free layer and that insulates the flux guide from the shields |
US7170721B2 (en) * | 2002-06-25 | 2007-01-30 | Quantum Corporation | Method of producing flux guides in magnetic recording heads |
KR100805507B1 (en) * | 2002-09-13 | 2008-02-20 | 엘지노텔 주식회사 | System and Method for Mobile Number Portability Service |
US7290325B2 (en) | 2004-08-13 | 2007-11-06 | Quantum Corporation | Methods of manufacturing magnetic heads with reference and monitoring devices |
US7751154B2 (en) * | 2005-05-19 | 2010-07-06 | Quantum Corporation | Magnetic recording heads with bearing surface protections and methods of manufacture |
JP2006344266A (en) * | 2005-06-07 | 2006-12-21 | Fujitsu Ltd | Magnetic head |
KR100727486B1 (en) * | 2005-08-16 | 2007-06-13 | 삼성전자주식회사 | Magnetic memory devices and methods of forming the same |
US7738217B2 (en) | 2006-02-13 | 2010-06-15 | Hitachi Global Storage Technologies Netherlands B.V. | EMR magnetic head having a magnetic flux guide and a body formed at a tail end of a slider |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4103315A (en) * | 1977-06-24 | 1978-07-25 | International Business Machines Corporation | Antiferromagnetic-ferromagnetic exchange bias films |
US5132859A (en) * | 1990-08-23 | 1992-07-21 | International Business Machines Corporation | Thin film structures for magnetic recording heads |
JPH04285713A (en) * | 1991-03-14 | 1992-10-09 | Hitachi Ltd | Magneto-resistance effect type head and production thereof |
JPH04370511A (en) * | 1991-06-20 | 1992-12-22 | Matsushita Electric Ind Co Ltd | Laminated magneto-resistance head |
JP2860233B2 (en) * | 1993-09-09 | 1999-02-24 | 株式会社日立製作所 | Giant magnetoresistance effect type magnetic head and magnetic recording / reproducing apparatus using the same |
JPH0850710A (en) * | 1994-04-07 | 1996-02-20 | Read Rite Corp | Magnetoresistance effect-type converter with insulating oxide replacement layer |
US5508866A (en) * | 1994-08-15 | 1996-04-16 | International Business Machines Corporation | Magnetoresistive sensor having exchange-coupled stabilization for transverse bias layer |
US5792547A (en) * | 1996-02-26 | 1998-08-11 | Read-Rite Corporation | Low noise magnetic head for high frequency recording |
WO1998001762A2 (en) * | 1996-07-05 | 1998-01-15 | Philips Electronics N.V. | A magnetic field sensor and a method of manufacturing such a sensor |
US5666248A (en) * | 1996-09-13 | 1997-09-09 | International Business Machines Corporation | Magnetizations of pinned and free layers of a spin valve sensor set by sense current fields |
US5684658A (en) * | 1996-10-07 | 1997-11-04 | Headway Technologies, Inc. | High track density dual stripe magnetoresistive (DSMR) head |
-
1997
- 1997-01-20 WO PCT/IB1997/000039 patent/WO1997028528A1/en active IP Right Grant
- 1997-01-20 DE DE69722860T patent/DE69722860T2/en not_active Expired - Fee Related
- 1997-01-20 EP EP97900088A patent/EP0818038B1/en not_active Expired - Lifetime
- 1997-01-20 JP JP9527442A patent/JPH11503553A/en not_active Abandoned
- 1997-01-29 MY MYPI97000340A patent/MY119163A/en unknown
- 1997-01-31 US US08/792,316 patent/US5914838A/en not_active Expired - Fee Related
- 1997-02-12 TW TW086101549A patent/TW343329B/en active
-
1999
- 1999-03-01 US US09/259,955 patent/US6266217B1/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9689683B2 (en) | 2015-02-05 | 2017-06-27 | Wei-Tung Chen | Magnetic positioning device |
Also Published As
Publication number | Publication date |
---|---|
DE69722860D1 (en) | 2003-07-24 |
EP0818038B1 (en) | 2003-06-18 |
JPH11503553A (en) | 1999-03-26 |
EP0818038A1 (en) | 1998-01-14 |
US5914838A (en) | 1999-06-22 |
WO1997028528A1 (en) | 1997-08-07 |
US6266217B1 (en) | 2001-07-24 |
DE69722860T2 (en) | 2004-05-19 |
MY119163A (en) | 2005-04-30 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
TW343329B (en) | Magnetic head with magnetoresistive sensor, and scanning device provided with the magnetic head | |
EP0669607A3 (en) | Magnetic head assembly with MR sensor. | |
SG55066A1 (en) | Magneto-resistance device and magnetic head employing such a device | |
MY121610A (en) | Magnetoresistance effect element | |
TW365707B (en) | Magnetoresistive film | |
EP0634739A3 (en) | Thin-film magnetic head, magnetoresistance effect magnetic head and composite magnetic head. | |
GB2359412A (en) | Quad-layer GMR sandwich | |
EP0606750A3 (en) | Layered magnetic structure for use in a magnetic head. | |
SG42852A1 (en) | Magnetoresistive sensor based on oscillations in the magnetoresistive | |
SG86336A1 (en) | Magnetic tunnel junction device with improved fixed and free ferromagnetic layers | |
EP1321943A3 (en) | Magnetic memory | |
EP0662667A3 (en) | Magnetic sensor with member having magnetic contour anisotropy. | |
SG98004A1 (en) | Magneto-resistance effect head and magnetic storage device employing the head | |
EP1298669A3 (en) | Magnetic memory device | |
EP1296332A3 (en) | Magnetic memory device | |
EP1067515A3 (en) | Recording/reproducing head and recording/reproducing apparatus incorporating the same | |
EP0645759A3 (en) | Magneto-resistance device, and magnetic head comprising such a device. | |
EP0675486A3 (en) | Integrated yoke magnetoresistive transducer with magnetic shunt. | |
EP0661691A3 (en) | Magnetic head. | |
DE68911082T2 (en) | Soft magnetic film with high magnetic flux density and magnetic head. | |
EP0519674A3 (en) | Lamination type magneto-resistive head | |
EP0656621A3 (en) | Magnetoresistive head with deposited biasing magnet. | |
EP0631276A3 (en) | Magnetoresistive read head having an exchange layer. | |
EP1193692A4 (en) | Spin-valve magnetoresistance effect head, composite magnetic head comprising the same, and magnetoresistance recorded medium drive | |
EP0789250A3 (en) | Thin film giant magnetoresistive cip transducer with flux guide yoke structure |